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Questions (103)

What trait of a complex civilization led to using metals to make tools?
1. 1 answer
2. 284 views
When does a sedimentary rock become a metamorphic rock?
1. 0 answers
2. 369 views
A single mass (m1 = 3.1 kg) hangs from a spring in a motionless elevator. The spring constant is k = 338 N/m.1. What is the
1. 3 answers
2. 4,382 views
A ship is due east of a harbour. Another ship is also 3km from the harbour but on a bearing 042 degrees from ita. Find the
1. 4 answers
2. 2,528 views
Directions are "Order these integer decimals from least to greatest: +.125, -.1428, -0.025 (with a repeating 5), 0.2.I'm
1. 1 answer
2. 574 views
Write (1 9 ) 3 as a product of the same factor. Then find the value
1. 2 answers
2. 787 views
A steel ball of mass 8.0 kg and traveling at 3.0 m/s [E] has a head-on elastic collision with a brass ball which is at rest.
1. 1 answer
2. 834 views
The length of each leg of an isosceles right triangle is increase at the rate of 2 mm/s. How fast is the hypotenuse increasing
1. 1 answer
2. 670 views
What mass of ammonium chloride must be added to a 0.500 L solution of 0.250 M ammonia to make a buffer with a pH of 9.26? Kb
1. 1 answer
2. 1,725 views
What is the total change in entropy when 10.0 g of ice melts at 25.0°C? DHfus = 6.01 kJ/molThe answer is 1.03 J/K but idk how
1. 1 answer
2. 3,170 views
Hydroxyapatite is the main mineral component of bone. How many grams of hydroxyapatite will dissolve in 1.00 L of H2O? Ksp =
1. 2 answers
2. 2,480 views
What mass of ammonium chloride must be added to a 0.500 L solution of 0.250 M ammonia to make a buffer with a pH of 9.26? Kb
1. 1 answer
2. 637 views
What is the total change in entropy when 10.0 g of ice melts at 25.0°C? DHfus = 6.01 kJ/molThe answer is 1.03 J/K but idk how
1. 0 answers
2. 885 views
Calculate the pH of a buffer which contains 0.0500 M pyruvic acid and 0.0450 M sodium pyruvate. (The Ka of pyruvic acid is 4.1
1. 2 answers
2. 1,711 views
Find the intervals on the x-axis on which the function f(x) is increasing and those which it is decreasing, where f(x) =
1. 2 answers
2. 567 views
If the standard calcium carbonate solution is 100 ppm and 25 mL of solution is used for the standardization, calculate the
1. 3 answers
2. 840 views
If a solution of lead iodide has [I-] = 1.1x10-4 M, what is the lead(II)ion concentration at equilibrium?
1. 2 answers
2. 1,228 views
differentiate y = 2^3x^2read as two to the 3x squared power
1. 2 answers
2. 414 views
Suppose that the reaction of Fe3+ and SCN- produces Fe(SCN)2 (+). 5.00mL of 2.0mM Fe3+ is mixed with 5.00 mL of 2.0mM SCN-. The
1. 1 answer
2. 1,056 views
Find the value of the limit.lim �ã(x+4) - 2 divided by x x->0 The 2 is outside of the square root. The answer is supposed to
1. 1 answer
2. 594 views
A skier of mass 74.6 kg is pulled up a slopeby a motor-driven cable. How much work is required to pull the skier 63.3 m up a
1. 1 answer
2. 1,025 views
What are the differences in measuring the molar mass using freezing point depression between studying ionic solids and molecular
1. 1 answer
2. 774 views
A sample of 10.00g of a solid unknown was dissolved in 25.00g of water. Assuming that pure water freezes at 0.0°C and the
1. 1 answer
2. 814 views
princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her
1. 1 answer
2. 991 views
Medium that carries message signals from senders to receivers of communication is
1. 4 answers
2. 770 views
Scientists want to place a 3300 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.2
1. 1 answer
2. 6,346 views
compare write >or< for 2,854,376 to 2,845,763
1. 1 answer
2. 712 views
208 square root to nearest hundredth.
1. 1 answer
2. 636 views
255 square root to the nearest hundredth.
1. 1 answer
2. 506 views
130 square root to the nearest hundredth.
1. 4 answers
2. 1,022 views
How does the organizational strategy drive the IT strategy?
1. 0 answers
2. 364 views
The slope of the line passing through p and q is -3/5. What is the value of x?P(1,4) Q(x,1)
1. 1 answer
2. 444 views
if the line containing the points (a,3) and (b,2) has a slope of 1/7, then a-b=
1. 1 answer
2. 408 views
When 30.0g of aluminum reacts with HCl, how many grams of aluminum chloride are formed?Al + HCl --> AlCl3 + H2
1. 1 answer
2. 881 views
Calculate the mass in grams of carbon needed to produce 160 g of CO2 in burning: C + O2 --> CO2
1. 1 answer
2. 827 views
a pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. how large should the
1. 2 answers
2. 7,072 views
given coordiantes for one endpoint and midpoint find the other endpoint?endpoint is (-3,3/7) midpoint is (-2,-11/7)
1. 1 answer
2. 512 views
water in gas form is called
1. 2 answers
2. 672 views
danielle plays softball and basketball. however because she like basketball more, she spends 3 times as long playing basketball
1. 1 answer
2. 889 views
What is the number of water molecules that will form from 30 g of NO
1. 1 answer
2. 340 views
Explain why ionic compounds are formed when a metal from the left side of the periodic table reacts with a nonmetal from the
1. 0 answers
2. 568 views
A sample of Nitrogen is collected over water at 26 Celsius. What is the partial pressure of nitrogen if the total pressure is
1. 1 answer
2. 686 views
Almost half the staff is a Texas certified teacher. or Almost half the staff are Texas certified teachers.
1. 1 answer
2. 750 views
waht are 4 subsidiaries of tricare
1. 0 answers
2. 330 views
need help with the following conversionCalculate the mass in pounds of one gallon of water given that the density of water is .0
1. 1 answer
2. 748 views
quarters are 91.67% mass/mass copper and 8.33% mass/mass nickel. if the average quarter weighs 5.67 grams, how many atoms of
1. 1 answer
2. 776 views
quarters are 91.67% mass/mass copper and 8.33% mass/mass nickel. if the average quarter weighs 5.67 grams, how many atoms of
1. 1 answer
2. 569 views
I need help on this question:day 7 assignment: Gang development and Control write a 400-600 word response paper discussing the
1. 3 answers
2. 752 views
hey can you please help me with this ?? what are the similarities and differences between mainstream and complementary health
1. 0 answers
2. 414 views
I am still having a little problem with my original question. However, this is what I have done so far.I am not sure what to do
1. 2 answers
2. 1,148 views
what is the molality of a solution of 50.0 grams of propanol in 152 mL water if the density of wate is 1.0 g/mL and the density
1. 3 answers
2. 3,470 views
vapor enthalpy energies kj/mol 40.66, specific heat capacities j/g degrees c s(s) 2.1, fus 6.01 enthalpy energies kj/mol 6.01
1. 0 answers
2. 614 views
education plays a crutical role in financial success
1. 3 answers
2. 743 views
do you think that inmates behave better if they feel that they have some say on what goes on?
1. 2 answers
2. 414 views
Using the formula for the speed of a shallow-water wave, C = square root (g x d), what is the speed of a wave when d = 10
1. 0 answers
2. 496 views
The figure shown the chain drive of a bicycle. How far will the bicycle move if the pedals are rotated at 180°. Assume the
1. 2 answers
2. 6,385 views
1. What do you think of professional jurors?2. How can jurors keep their own personal bias out of thier decisions in the trial
1. 1 answer
2. 485 views
i need someones opinion on this question please. The American criminal justice system is a good one, but far from perfect.
1. 1 answer
2. 984 views
choose a state and research the rules for admissibility of scientific evidence. Has it maintained Frye, adopted Daubert, or
1. 1 answer
2. 517 views
Kelly-Frye and Daubert Decisions:Compare and contrast the elements of the Kelly_Frye and Daubert decisions. What do you think
1. 1 answer
2. 650 views
Rules of Evidence and Hearsay:1. How do the Federal Rules of Evidence address the originality of computer data in relation to
1. 2 answers
2. 784 views
In industry, sodium carbonate is produced in two stages whose equations are as follows:NaCl + NH3 + H2O + CO2 à NH4Cl + NaHCO3
1. 0 answers
2. 809 views
Two charges of -5 x 10(power -6) C and3 x 10(power -6) C are placed at distance of 200mm from each other , find point on the
1. 2 answers
2. 479 views
Show that beta = 3 alphaWhy a gas has two heat capacities?
1. 3 answers
2. 533 views
Why fresh water fishes pass dilute urine?what is " Meroblastic clearage" ?
1. 0 answers
2. 469 views
How hydrogen on large scale is prepared from water?How SODIUM METAL on large scale is prepared from common salt?
1. 2 answers
2. 497 views
Name the following compounds by IUPAC system :1. [ Cr (NH3)3 Cl3] 2. Na4[Fe (CN)6 ] 3. Fe4[Fe (CN)6]3 4. [Ag(NH3)2] OH 5.
1. 1 answer
2. 885 views
How aluminium is extracted from its BAUXITE ORE which contains Fe203 and Sio2 as impurities?
1. 1 answer
2. 533 views
What happens when : (give balanced chemical equations only)1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with
1. 1 answer
2. 962 views
why is Drosophila melanogaster named so?
1. 1 answer
2. 491 views
cos2(120degrees) help me solve this please
1. 1 answer
2. 928 views
many decisions that courts have handed down deal directly with the ability of law enforcement to legally search a property. What
1. 1 answer
2. 481 views
I need help with functionalist, conflict, and labeling perspectives. What differentiates each one from the other and how each
1. 1 answer
2. 539 views
do you culturally identigy more with ethnic groups (african americans), with United States mainstream culture or with both
1. 1 answer
2. 441 views
were african americans effected by any forms of discrimination
1. 1 answer
2. 479 views
please can you show me how the get the prime factorization of 392.thank you
1. 1 answer
2. 385 views
what is the name of the first set of humans that was on earth
1. 1 answer
2. 356 views
How do you enhance the movement of graphic objects and bulleted text in your slideshow?
1. 0 answers
2. 1,036 views
After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel?What are the 2
1. 1 answer
2. 1,235 views
What are the main ways that an individual can create a professionallook?
1. 1 answer
2. 388 views
From the perspective of conflict theory, what do the success will be for the comeback of midwifery in the United States?
1. 1 answer
2. 524 views
Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but
1. 5 answers
2. 558 views
How much change do you believe has taken place in the racial attitudes of white Southerners in recent decades?What are the
1. 1 answer
2. 426 views
What role does the public play in determining the practice rights of midwives, and how does this role impact the AMA's position
1. 1 answer
2. 505 views
From the perspective of conflict theory, what do the success will be for the comeback of midwifery in the United States?
1. 1 answer
2. 356 views
Fron the perspective of conflict theory, what do the success will be for the comeback of midwifery in the United States?
1. 1 answer
2. 521 views
Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but
1. 2 answers
2. 610 views
functionalism, conflict theory, symbolic interactionism
1. 1 answer
2. 606 views
Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but
1. 2 answers
2. 888 views
What can employers do to create a workplace that enhances the physical and mental well-being of employees?
1. 1 answer
2. 447 views
WHy did the government of the US refused to become involved in the Rwandan genocide, but did intervence a few years later in
1. 2 answers
2. 363 views
What fundamental social values in Japan are reflected in the rise of cram schools and an acceptance of examination hell?
1. 1 answer
2. 520 views
From what perspective of functionalism, what culturally acceptable guidelines can health workes use tp prevent and treat Aids in
1. 1 answer
2. 373 views
How would a symbolic interactionist respond to television and music producers who say that they only giving the public what the
1. 0 answers
2. 1,030 views
How do the themes about male roles appear in the television and movies that we watch?What messages do these themes provide for
1. 0 answers
2. 614 views
How do these themes about male roles appear in the television and movies watch?What messages do these themes provide for men and
1. 1 answer
2. 480 views
How are the ideas in Ars Poetica and poetry the same and different?
1. 1 answer
2. 428 views
how would i find a equation for solutions given of x=5 and x=-3?
1. 1 answer
2. 379 views
I have to prepare an adjusting entry for Dec 31, 2008 for prepaid insurance from this:An analysis of the company's insurance
1. 0 answers
2. 1,118 views
I have to prepare an adjusting entry for Dec 31, 2008 for prepaid insurance from this:An analysis of the company's insurance
1. 0 answers
2. 617 views

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